This compound is primarily utilized in organic synthesis as a key intermediate in the preparation of complex molecules, particularly in the pharmaceutical industry. It is often employed in the synthesis of peptide-based drugs and bioactive compounds due to its ability to facilitate selective protection and deprotection of functional groups. The toluene-4-sulfonyloxy group acts as a good leaving group, enabling efficient substitution reactions, while the benzyloxycarbonyl moiety provides protection for amine groups during multi-step synthetic processes. Its chiral structure also makes it valuable in the production of enantiomerically pure substances, which are critical in the development of drugs with specific biological activities. Additionally, it can be used in the synthesis of heterocyclic compounds, which are important in medicinal chemistry for their diverse pharmacological properties.